重构认证逻辑，优化登录和用户信息获取流程，新增全局缓存支持

src/app/admin/layout.tsx

@@ -4,8 +4,8 @@ import logo from '@/assets/logo.webp'
 import Profile from '@/app/admin/_server/profile'
 import {merge} from '@/lib/utils'
 import Link from 'next/link'
-import {getProfile} from '@/actions/auth/auth'
 import {redirect} from 'next/navigation'
+import {getProfile} from '@/actions/auth/auth'
 
 export type DashboardLayoutProps = {
   children: ReactNode
@@ -13,9 +13,9 @@ export type DashboardLayoutProps = {
 
 export default async function DashboardLayout(props: DashboardLayoutProps) {
 
-  const profile = await getProfile()
-  if (!profile) {
-    return redirect('/login')
+  const user = await getProfile()
+  if (!user) {
+    return redirect(`/login?redirect=${encodeURIComponent('/admin')}`)
   }
 
   return (